Jack Corbett
Billy 5000 (voice)
Grace Kuhlenschmidt
Freckles (voice)
Elsie Fisher
Beatbox (voice)
Janeane Garofalo
Dr. Dolphin (voice)
Miya Folick
Rosario 'Rozebud' Dolphin (voice)
Tavi Gevinson
Glarba (voice)
Julio Torres
T-Bone / Gas Station Guy / Brontosaurus (voice)
Sarah Sherman
Miss Sharon / Minivan Mom (voice)
